<!--根组件-->
<template>
    <div class="app-container">

        <!--header:固定的-->
        <mt-header fixed title="吃喝玩乐">
            <span slot="left" @click="goBack" v-show="flag">
                <button class="mintui mintui-back">返回</button>
            </span>
        </mt-header>

        <!--main:路由区域-->
        <transition>
            <router-view></router-view>
        </transition>

        <!--footer：路由链接-->
        <nav class="mui-bar mui-bar-tab">
            <router-link class="mui-tab-xixi " to="/home">
                <span class="mui-icon mui-icon-home"></span>
                <span class="mui-tab-label">首页</span>
            </router-link>
            <router-link class="mui-tab-xixi" to="/member">
                <span class="mui-icon mui-icon-extra mui-icon-extra-gift"></span>
                <span class="mui-tab-label">会员</span>
            </router-link>
            <router-link class="mui-tab-xixi" to="/goods">
                <span class="mui-icon mui-icon-extra mui-icon-extra-cart">
                    <span class="mui-badge" id="badge">{{ $store.getters.sum}}</span></span>
                <span class="mui-tab-label">购物车</span>
            </router-link>
            <router-link class="mui-tab-xixi" to="/search">
                <span class="mui-icon mui-icon-search"></span>
                <span class="mui-tab-label">搜索</span>
            </router-link>
            <router-link class="mui-tab-xixi" to="/person">
                <span class="mui-icon mui-icon-contact"></span>
                <span class="mui-tab-label">个人中心</span>
            </router-link>
        </nav>
    </div>
</template>

<script>
    export default {
        data() {
            return {
                flag: false
            };
        },
        created() {
            this.flag = this.$route.path === "/home" ? false : true;
        },
        methods: {
            goBack() {
                // 点击后退
                this.$router.go(-1);
            }
        },
        watch: {
            "$route.path": function (newVal) {
                if (newVal === "/home") {
                    this.flag = false;
                } else {
                    this.flag = true;
                }
            }
        }
    };
</script>


<style lang="less" scoped>
    .mint-header {
        z-index: 7;
    }
    .app-container {
        background-color: #fff;
        padding-top: 40px;
        padding-bottom: 50px;
        overflow-x: hidden;
        height: 100vh;

        transition {
            background-color: #fff;
            height: 100vh;
        }

        span {
            button.mintui.mintui-back {
                background-color: #26a2ff;
                padding: 6px 0px;
                border: 0;
            }
        }

    }

    .v-enter {
        opacity: 0;
        transform: translateX(100%);
    }

    .v-leave-to {
        opacity: 0;
        transform: translateX(-100%);
        position: absolute;
    }

    .v-enter-active,
    .v-leave-active {
        transition: all 0.5s ease;
    }

    //mui-tab-item  样式的修改，解决mui引起的bug
    .mui-bar-tab .mui-tab-xixi .mui-icon {
        top: 3px;
        width: 24px;
        height: 24px;
        padding-top: 0;
        padding-bottom: 0;
    }

    .mui-bar-tab .mui-tab-xixi.mui-active {
        color: #007aff;
    }

    .mui-bar-tab .mui-tab-xixi {
        display: table-cell;
        overflow: hidden;
        width: 1%;
        height: 50px;
        text-align: center;
        vertical-align: middle;
        white-space: nowrap;
        text-overflow: ellipsis;
        color: #929292;
    }
    .mui-bar-tab .mui-tab-xixi .mui-icon~.mui-tab-label {
        font-size: 11px;
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
    }
</style>
